Home / 22,441.32-30,965.40-13,486.68

Finding the Fourth Proportional to 22,441.32, 30,965.40 and 13,486.68

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Solution

The fourth proportional to 22,441.32, 30,965.40 and 13,486.68 is: 18,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.32 : 30,965.40 = 13,486.68 : x
  2. Step 2: Convert to fraction form
    22,441.32/30,965.40 = 13,486.68/x
  3. Step 3: Cross multiply
    22,441.32x = 30,965.40 × 13,486.68
  4. Step 4: Simplify right side
    22,441.32x = 417,620,440.87
  5. Step 5: Solve for x
    x = 417,620,440.87/22,441.32
  6. Step 6: Final answer
    x = 18,609.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.